Geierite
硫砷铁矿
🗣️ 情景例句
Aren't you happy with your present occupation?
你对目前的工作不满意吗？
Mary cried all night for her great loss.
玛丽因为失去了她最重要的东西，而整晚哭泣。
The hovercraft is particularly useful in large areas with poor communications such as Africa or Australia;
气垫船在非洲、澳大利亚等交通不发达地区特别有用。